blue moon (suomeksi)

Määritelmät:

(lb, en, rare) The moon tinted towards blue as it appears in the sky, caused by dust or smoke in the atmosphere.
An extra full moon that appears in a subdivision of a year, namely:
The third full moon in a quarter that contains four rather than the usual three full moons.
The second of two full moons that occur in the same calendar month.
(lb, en, idiomatic, by extension) A long time.
A flavor of sweet ice cream that is popular in the w:Midwestern United States, Midwestern U.S. and is a component of w:Superman ice cream, Superman ice cream.